Some gamers use Rock Paper Scissors to test timing and psychology-- do you go initially, mirror moves

https://rock-paper-scissors-gambling-game-k-i-y-o4-204.clearhavendigest.com/posts/the-10-scariest-things-about-rock-paper-scissors-gambling

Some players utilize Rock Paper Scissors to test timing and psychology-- do you go initially, mirror relocations, or all of a sudden switch techniques to confuse them?